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126 lines
2.9 KiB
126 lines
2.9 KiB
package net.jrtechs.www.webCrawler;
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import net.jrtechs.www.model.Player;
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import net.jrtechs.www.utils.FileReader;
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import net.jrtechs.www.utils.WrappedFileWriter;
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import org.json.JSONArray;
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import org.json.JSONObject;
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import java.io.File;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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/**
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* File which handles the file IO for storing
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* all the players on the HHD
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*
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* @author Jeffery Russell 11-18-18
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*/
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public class FileIO
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{
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/** Base directory to store all the data */
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private String baseFilePath;
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/**
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* Initalizes the base directory
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* @param basePath
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*/
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public FileIO(String basePath)
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{
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this.baseFilePath = basePath;
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}
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/**
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* Helper function to piece together the naming convention
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* for the JSON file.
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*
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* @param id player id
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* @return path of the file being saved
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*/
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private String getURL(String id)
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{
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return baseFilePath + id + ".json";
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}
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/**
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* Determines if we already have the player
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* on disk.
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*
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* @param id steam id of the player
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* @return if the file exists on disk
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*/
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public boolean playerExists(String id)
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{
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String fileName = baseFilePath + id + ".json";
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return new File(fileName).isFile();
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}
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/**
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* Returns the date in a form which is easy to read and write
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* to from a file.
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*
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* @return
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*/
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private String getDate()
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{
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String pattern = "yyyy-MM-dd";
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SimpleDateFormat simpleDateFormat = new SimpleDateFormat(pattern);
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return simpleDateFormat.format(new Date());
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}
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/**
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* Reads all the friends from a player on the disk
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*
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* ** This should only be called if we know the player
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* is stored on the disk.
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*
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* @param id steam id of the player
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* @return list of all their friends.
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*/
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public List<String> readFriends(String id)
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{
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String fileContents = FileReader.readFile(this.getURL(id));
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JSONObject player = new JSONObject(fileContents);
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if(player.has("friends"))
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{
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List<String> list = new ArrayList<>();
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JSONArray jsonArray = player.getJSONArray("friends");
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for(int i = 0 ; i < jsonArray.length();i++)
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{
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list.add(jsonArray.getString(i));
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}
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return list;
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}
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return new ArrayList<>();
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}
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/**
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* Writes the player to the file.
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*
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* @param player
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*/
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public void writeToFile(Player player, List<String> friendIDS)
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{
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JSONObject object = new JSONObject();
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object.put("name", player.getName());
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object.put("date", getDate());
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object.put("friends", friendIDS);
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String fileName = baseFilePath + player.getId() + ".json";
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WrappedFileWriter.writeToFile(object.toString(4), fileName);
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}
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}
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